package com.demo.seckill.common.config;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @author libo
 * @ClassName SpringUtils
 * @date 2018/11/15 18:15
 */
@Component
public class SpringUtils implements ApplicationContextAware {

    private static  ApplicationContext applicationContext;
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if(SpringUtils.applicationContext ==null){
            SpringUtils.applicationContext = applicationContext;
        }
        System.out.println("===========初始化成功===========");
    }

    public static  ApplicationContext getApplicationContext(){
        return applicationContext;
    }

    public static Object getBean(String name){
        return  getApplicationContext().getBean(name);
    }

    public static <T> T getBean(Class<T> clazz){
        return  getApplicationContext().getBean(clazz);
    }

    public static <T> T getBean(String name,Class<T> clazz){
        return  getApplicationContext().getBean(name,clazz);
    }
}
